By Sauvage J.-P. (ed.)
This sequence offers severe experiences of the current place and destiny developments in glossy chemical learn. It includes brief and concise stories on chemistry, each one written by means of the world’s well known specialists, and nonetheless legitimate and helpful after five or 10 years.
Read or Download Molecular Machines & Motors PDF
Best molecular biology books
This booklet emphasises the unifying rules and mechanisms of molecular biology, with common use of tables and packing containers to summarise experimental info and gene and protein services.
This quantity is devoted to an outline of the tools, samples, protocols, and analyses that belong to cryo-EM. It emphasizes the relatedness of the information, intrumentation, and techniques underlying all cryo-EM ways which enable practictioners to simply movement among them. inside of each one part, the articles are ordered in keeping with the commonest symmetry of the pattern to which their tools are utilized.
To appreciate the buildings and dynamics of DNA and its interactions with ligands, a whole research of its confirmational flexibility is needed. This quantity and its spouse, quantity 212 of equipment in Enzymology, collate in a single resource the entire tools and techniques had to do so objective
The seriously acclaimed laboratory regular for greater than 40 years, equipment in Enzymology is without doubt one of the so much hugely revered guides within the box of biochemistry. due to the fact that 1955, each one quantity has been eagerly awaited, usually consulted, and praised by way of researchers and reviewers alike. Now with greater than three hundred volumes (all of them nonetheless in print), the sequence comprises a lot fabric nonetheless proper today--truly a necessary ebook for researchers in all fields of lifestyles sciences
- Handbook of Soil Sciences
- Molecular Aspects of Botulinum Neurotoxin
- Molecules and Life: An Introduction to Molecular Biology
- The Embryonic Development of Drosophila melanogaster
Extra resources for Molecular Machines & Motors
The ®nding that 37b rotates equally in both directions is contrary to the Feynman scenario excerpted above. But as Feynman recognized, his argument, while tantalizing, is specious. For Feynman's device, or our 37b, to rotate unidirectionally without an input of energy would require the violation of the principle of microscopic reversibility and the Second Law of Thermodynamics. In summary, the synthesis of triptycylhelicene 37b successfully incorporates into a single molecule the essential components of a simple ratchet: the asymmetric combination of a ratchet wheel, a pawl and a spring.
3) . From the rotation of these systems there arises, in the absence of slippage, a particular case of stereoisomerism, which has been dubbed by Iwamura as ``phase isomerism'' . If two blades, one in each wheel, are labeled, three stereoisomers are produced, a racemic pair and a meso form. More complex triptycene molecular gears are those composed of more than two connected triptycenes. The use of mechanical gear trains is an idea of great antiquity used by the Greeks, inter alia, to compute planetary motions .
The use of triptycenes as molecular gears (Fig. 2) has been studied since the 1970s mostly by Mislow and Iwamura . The simplest triptycene molecular gears were constructed by Oki  using two triptycene derivatives connected by an appropriate bridge (CH2, NH, O, SiH2, AC@CA). According to computational studies the gearing barrier in Tp2X (X CH2, CO) and Tp2O is only 1±2 kcal mol)1; thus the Tp rotors are Rotary Motion in Single-Molecule Machines 23 Fig. 2. Physical bevel gear (reproduced with permission from [20c]) highly mobile, almost frictionless, and tightly meshed and securely interlocked bevel gears.